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Start of the benchmark recording framework.

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This commit is contained in:
Brendan Dahl 2012-01-11 16:48:51 -08:00
parent cf00831a00
commit bd6d89e1a8
4 changed files with 91 additions and 22 deletions
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33
src/core.js
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@ -60,13 +60,8 @@ var Page = (function PageClosure() {
function Page(xref, pageNumber, pageDict, ref) {
this.pageNumber = pageNumber;
this.pageDict = pageDict;
this.stats = {
create: Date.now(),
compile: 0.0,
fonts: 0.0,
images: 0.0,
render: 0.0
};
this.bench = new Bench();
this.bench.enabled = !!globalScope.PDFJS.enableBench;
this.xref = xref;
this.ref = ref;
@ -187,6 +182,8 @@ var Page = (function PageClosure() {
return this.IRQueue;
}
this.bench.time('Build IR Queue');
var xref = this.xref;
var content = xref.fetchIfRef(this.content);
var resources = xref.fetchIfRef(this.resources);
@ -201,11 +198,14 @@ var Page = (function PageClosure() {
var pe = this.pe = new PartialEvaluator(
xref, handler, 'p' + this.pageNumber + '_');
var IRQueue = {};
return (this.IRQueue = pe.getIRQueue(content, resources, IRQueue,
dependency));
this.IRQueue = pe.getIRQueue(content, resources, IRQueue, dependency);
this.bench.timeEnd('Build IR Queue');
return this.IRQueue;
},
ensureFonts: function pageEnsureFonts(fonts, callback) {
this.bench.time('Font Loading');
// Convert the font names to the corresponding font obj.
for (var i = 0, ii = fonts.length; i < ii; i++) {
fonts[i] = this.objs.objs[fonts[i]].data;
@ -215,7 +215,7 @@ var Page = (function PageClosure() {
var fontObjs = FontLoader.bind(
fonts,
function pageEnsureFontsFontObjs(fontObjs) {
this.stats.fonts = Date.now();
this.bench.timeEnd('Font Loading');
callback.call(this);
}.bind(this),
@ -224,6 +224,8 @@ var Page = (function PageClosure() {
},
display: function pageDisplay(gfx, callback) {
var bench = this.bench;
bench.time('Rendering');
var xref = this.xref;
var resources = xref.fetchIfRef(this.resources);
var mediaBox = xref.fetchIfRef(this.mediaBox);
@ -244,8 +246,9 @@ var Page = (function PageClosure() {
function next() {
startIdx = gfx.executeIRQueue(IRQueue, startIdx, next);
if (startIdx == length) {
self.stats.render = Date.now();
gfx.endDrawing();
bench.timeEnd('Rendering');
bench.timeEnd('Overall');
if (callback) callback();
}
}
@ -388,15 +391,14 @@ var Page = (function PageClosure() {
return items;
},
startRendering: function pageStartRendering(ctx, callback, textLayer) {
this.startRenderingTime = Date.now();
var bench = this.bench;
bench.time('Overall');
// If there is no displayReadyPromise yet, then the IRQueue was never
// requested before. Make the request and create the promise.
if (!this.displayReadyPromise) {
this.pdf.startRendering(this);
this.displayReadyPromise = new Promise();
}
// Once the IRQueue and fonts are loaded, perform the actual rendering.
this.displayReadyPromise.then(
function pageDisplayReadyPromise() {
@ -677,7 +679,7 @@ var PDFDoc = (function PDFDocClosure() {
var pageNum = data.pageNum;
var page = this.pageCache[pageNum];
var depFonts = data.depFonts;
page.bench.timeEnd('Page Request');
page.startRenderingFromIRQueue(data.IRQueue, depFonts);
}, this);
@ -786,6 +788,7 @@ var PDFDoc = (function PDFDocClosure() {
startRendering: function pdfDocStartRendering(page) {
// The worker might not be ready to receive the page request yet.
this.workerReadyPromise.then(function pdfDocStartRenderingThen() {
page.bench.time('Page Request');
this.messageHandler.send('page_request', page.pageNumber + 1);
}.bind(this));
},